Actively Hiring

Full-Stack
Developer

We're not looking for a regular developer.
We're looking for a builder.

Full-time Remote / Sofia, Bulgaria 0-3 years experience
Remote-first
AI Tools
Fast Growth

Important Requirements

  • Deployed portfolio is a must!Use vercel.com for free deployments.
  • At least 1 project with AI API usage + Stripe subscription payments.

The Role

Someone who can take an idea, a messy workflow, or a rough sketch and turn it into a real product. Clean frontend. Solid backend. Shipped to production.

You will own features end to end. Not in theory. In reality.

Your work will not sit in tickets or documents. You will build it. Ship it. Improve it. Fast.

You will work directly with the founders and the team, shaping products from zero to delivery. This is a startup. There is no phrases like "this is not my job."

If that scares you, do not apply. If that excites you, keep reading.

What You'll Do

  • Design and build complete features across frontend and backend
  • Turn rough ideas into working prototypes and production-ready software
  • Build clean, modern UIs and connect them to real data and logic
  • Implement APIs, database models, and business logic
  • Work with authentication, integrations, and third-party services
  • Use AI tools (Cursor, Claude Code, GPT Codex, v0) to move faster
  • Collaborate closely with founders to shape product decisions
  • Adapt fast across 20+ industries (logistics, ecommerce, fintech, etc.)
  • Improve code quality, performance, and developer experience

Who You Need to Be

We're hiring for mindset, ownership, and the hunger to grow

You build real products, not just demo apps
You work across frontend and backend without fear
You think in systems, not just features
You naturally use AI tools in your daily workflow
You want to level up fast and take real responsibility
You ask "why" before you start coding
You take ownership without waiting for instructions
You want to be part of a mission, not just a job

If your goal is comfort and predictability, this role will burn you out.
If your goal is growth, this will be the best environment you've ever had.

Requirements

Deployed portfolio (live projects required)Required
At least 1 project with AI API usage + Stripe/subscription paymentsRequired
0-3 years of full-stack development experience
Solid frontend skills (HTML, CSS, JS, modern frameworks)
Solid backend skills (APIs, databases)
Experience with AI tools (Cursor, Claude Code, GPT Codex, v0)
Remote first - anywhere in Bulgaria

Bonus Skills

  • Experience with modern frameworks (React, Vue, Nuxt, Next)
  • Understanding how businesses work and how software supports them

What You Get

Competitive Pay

We pay for value, impact, and speed. Not titles.

3 Years in 1

Touch more industries and problems than most see in a decade.

Ownership from Day 1

No layers, no bureaucracy. Your work ships fast.

Real Impact

Everything you build gets used by real businesses.

Direct Collaboration

Work with founders, not managers who forward feedback.

Flexible Location

Remote or on-site, whatever makes you perform best.

A culture built on honesty, speed, responsibility, and constant improvement.

This is for people who want to build and make a great impact, not just talk about building.

Application Process

From first contact to offer

1

Apply

Send your portfolio and CV via email.

2

Portfolio Review

We review your live projects and AI implementations.

3

Technical Chat

A conversation about your experience and approach.

4

Offer

Welcome to the team!

Ready to Build?

If you want to accelerate your career faster than anywhere else, this is it.

Send your CV and portfolio link to
georgi@costeffective.software

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